"There's some backstage drama that you don't know about. I guess there's a problem with the wireless mics and they can hear what we're saying at The Color Purple!"

That was Kristen Schaal speaking to Eugene Mirman onstage last night at the Wilbur Theatre. The two were reconvening after their respective solo sets when Schaal delivered the news of the audio malfunction, presumably discovered while Mirman - he of the booming baritone - was on stage.